OpenTechnical

OT-2026-000021111

Publication integrity record

Foam pad vacuum gripper, three zone face, per zone isolation, pump fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000021111) never changes.

Identity and time

Publication numberOT-2026-000021111 · never reused
Internal UUID01a0ae6f-865b-76a0-88e3-ed0392902a6c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:39.631048Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021111
StatusPUBLIC

Content hashes

Canonical textbee1efdc9ca2e59ff85405e46562b6f9ba85ff76f72bc6866a5fc6a92cf86438
Markdownc0d6970a518fbafb87e7c4906250c38cfb19a2113fcd85e8b7afabb4ab09dd93
PDF
Publication page0d644b2382b44a46f4e64ad367b5275717cba4cf1fd5bd703186e886a559ba20
Manifest8d86b6d8efe3c34f65405769e9ead1860a1ada85203b89647c33408ce10bb799

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureL1JP/XW1au17WkP03plaqZQllua2e7cLBBPExnramOxeOydwWtuXkv0/rCp5JaSYZjP2DH1c26l/F2u+w0aeAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:54:51.186231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021111
observed 0d644b2382b44a46f4e64ad367b52757...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.168058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021111/manifest.json
observed 8d86b6d8efe3c34f65405769e9ead186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.150548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021111/publication.md
observed c0d6970a518fbafb87e7c4906250c38c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:51.131477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021111/publication.txt
observed bee1efdc9ca2e59ff85405e46562b6f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.